The pair of physical quantities that are scalar only are ...
The pair of physical quantities that are scalar only are ?
volume and area
moment and momentum
length and displacement
Impulse and time
Correct answer is A
This is because volume and the area have only magnitude but no direction
Which of the following is a percussion instrument? ...
An electric iron is rated 1000W, 230V. What is the resistance of its elements? ...
According to kinetic molecular model in gases, ...
What determines the polarity at the ends of an electromagnet? The ...
In the network shown above, determine the potential difference across the 5µF capacitor...